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Sep 22, 2005 · The B-vent was installed inside the chiminey by a previous HVAC contractor (probably) because gas furnaces should not be vented directly into a chiminey (flue gases are …

Is it possible to just add a metal "B-vent" chimney directly on top of an existing masonry chimney -- without the masonry chimney below being changed or any metal liner being placed in the …

Apr 18, 2012 · Is it possible to just add a metal "B-vent" chimney directly on top of an existing masonry chimney -- without the masonry chimney below being changed or any metal liner …

The B vent on the hot water heater terminates inside the masonry chimney. There is NO pipe going up to the B vent that has been tied into the existing chimney. The chimney company told …

Feb 16, 2021 · A fan-assisted category 1 appliance listed for use with a B-vent cannot typical vent into a clay-lined chimney, but can vent into a masonry chimney lined with an approved liner …

It takes aprox. 50,000 btu's to heat up a "properly" sized masonry chimney to 120 degrees whereas venting through a aluminum liner (making a comparison between masonry chimney …

Nov 10, 2020 · For many years, my water heater simply vented into a brick chimney in the middle of the house, but I have removed the stack to close in the roof. Now I am running 20 feet (four …

Sep 6, 2006 · I'm working on new venting for a gas furnace and hot water heater through an existing unlined masonry chimney. Appliances are in the basement of a two story home, so …

Water heater and furnace/boiler can no longer vent into a clay lined masonry chimney. Chimney must be relined with a listed liner meeting UL 1777 or with a “B-Vent” or both appliances can …

Type B-vents are double-walled metal chimneys/flues and can be used only with listed, draft-hood equipped gas appliances. Type B gas vents such as the Ameri-Vent™ are permitted for …

Sep 1, 1999 · Most standard-efficiency gas-fired appliances that are 84% spontaneously efficient or less can be attached to a flexible-aluminum flue liner or a type-B liner (standard galvanized …

Table 510.2 (4) is used to size common venting installations involving single-wall connectors into masonry chimneys. Water Heater Vent Connector Diameter.

Apr 19, 2012 · Fireplaces, Wood Burning and Heating Stoves, Flues and Chimneys - Chimney: Is B-vent on top of masonry chimney possible? - Is it possible to just add a metal B-vent chimney …

Has Type B male/female ends for easy connection with Hart & Cooley vent. Requires only 1" clearance to combustibles. UL-listed for use as a connection from an appliance to Type B gas …

If your appliance chimney is found to be in poor condition, we will recommend you B-Vent your gas appliances. Rebuilding a masonry chimney that is venting gas appliances tends to be a …

Every fuel-burning appliance shall discharge the products of combustion to a vent, factory-built chimney or masonry chimney, except for appliances vented in accordance with Section 804. …

A masonry chimney is a chimney constructed of solid masonry units, hollow masonry units grouted solid, stone or concrete, hereinafter referred to as masonry. Masonry chimneys shall …

We offer the full range of repairs to chimney systems, big and small—from repairing leaky flashing to tuckpointing and masonry repair to relining the flue and chimney rebuilding. No job is too big …